10318643 has 16 divisors (see below), whose sum is σ = 11321856. Its totient is φ = 9367680.

The previous prime is 10318639. The next prime is 10318673. The reversal of 10318643 is 34681301.

It is not a de Polignac number, because 10318643 - 2² = 10318639 is a prime.

It is a super-2 number, since 2×10318643² = 212948786722898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10318613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100130 + ... + 100232.

It is an arithmetic number, because the mean of its divisors is an integer number (707616).

Almost surely, 2^10318643 is an apocalyptic number.

10318643 is a deficient number, since it is larger than the sum of its proper divisors (1003213).

10318643 is a wasteful number, since it uses less digits than its factorization.

10318643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 10318643 is about 3212.2644660737. The cubic root of 10318643 is about 217.7079035535.

Adding to 10318643 its reverse (34681301), we get a palindrome (44999944).

The spelling of 10318643 in words is "ten million, three hundred eighteen thousand, six hundred forty-three".